A stationary particle explodes into two ...

A stationary particle explodes into two particles of masses x and y, which move in opposite directions wit h velocity `v_(1)and v_(2).` The ratio of their kinetic energies `(E_(1):E_(2))` is

A

1

B

`(xv_(2))/(yv_(1))`

C

`(x)/(y)`

D

`(y)/(x)`

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The correct Answer is:

D

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